The MEAN WELL PS-65-3.3 is a 65W single output 3.3V DC-DC step down switching power supply. It has a wide input voltage range of 9-36V DC, and an ultra-wide output voltage range from 0.8~3.6V DC. The PS-65-3.3 features built-in short circuit, overload, over-voltage and over-temperature protection for a safe operation. This power supply also contains an active AC input power factor correction to reduce harmonic distortion and is certified with UL, cUL, CB, TUV, SAA, FCC, and CE safety approvals. The PS-65-3.3 has a great efficiency of over 91% for up to 5.5A of output current, as well as an operating temperature range of -30 to +80°C and an MTBF of 250,000 Hours. It is suitable for many applications, including LED lighting, communications and industrial equipment.